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Which of the following is a redox reacti...

Which of the following is a redox reaction ?

A

`NaCl + KNO_(3) to NaNO_(3) + KCl`

B

`CaC_(2)O_(4) + 2HCl to CaCl_(2) + H_(2)C_(2)O_(4)`

C

`Ca(OH)_(2) + 2NH_(4)Cl to CaCl_(2) + 2NH_(3) + 2H_(2)O`

D

`2K[Ag(CN)_(2)] + Zn to 2Ag + K_(2)[Zn(CN)_(4)]`

Text Solution

Verified by Experts

The correct Answer is:
D
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